Keyboard assembly and mobile device

Abstract

The utility model relates to the technical field of keyboard equipment, and discloses a keyboard assembly and a mobile device, wherein the keyboard assembly comprises: a bottom plate; a first positioning structure connected to the bottom plate, the first positioning structure is provided with a plurality of first positioning points; a second positioning structure connected to the bottom plate, the second positioning structure is arranged at an angle to the first positioning structure, and the second positioning structure is provided with a plurality of second positioning points; a circuit board connected to the bottom plate, the circuit board is provided with a first positioning hole and a second positioning hole, the first positioning structure is embedded in the first positioning hole so that a plurality of first positioning points abut against the hole wall of the first positioning hole, and the second positioning structure is embedded in the second positioning hole so that a plurality of second positioning points abut against the hole wall of the second positioning hole. The utility model sets the first positioning structure and the second positioning structure, and sets the second positioning mechanism at an angle to the first positioning structure, thereby realizing the limiting of the bottom plate and the circuit board in multiple directions and multiple points on both sides, preventing the circuit board from moving and preventing positioning deviation.

Description

Technical Field

[0001] The utility model relates to the technical field of keyboard equipment, in particular to a keyboard assembly and a mobile device. Background Art

[0002] As a mobile device, laptop computers have been widely used in various work fields. The keyboard is an important component of a laptop computer. The keyboard includes a circuit board and a base plate. The positioning accuracy of the circuit board and the base plate is the key to the performance and feel of the keyboard. In existing keyboards, bumps are often used as positioning structures when assembling the circuit board and the base plate. However, when the circuit board and the base plate are assembled using this positioning structure, the circuit board is easy to rotate around the positioning structure, resulting in positioning deviation. Utility Model Content

[0003] In view of this, the utility model provides a keyboard assembly and a mobile device to solve the problem that the circuit board is easily rotated around the positioning structure, resulting in positioning deviation.

[0004] In the first aspect, the utility model provides a keyboard assembly, including: a base plate; a first positioning structure connected to the base plate, and a plurality of first positioning points are respectively arranged on two opposite sides of the first positioning structure; a second positioning structure connected to the base plate, the second positioning structure is arranged at an angle to the first positioning structure, and a plurality of second positioning points are respectively arranged on two opposite sides of the second positioning structure; a circuit board connected to the base plate, the circuit board is provided with a first positioning hole and a second positioning hole, the first positioning structure is embedded in the first positioning hole so that a plurality of the first positioning points abut against the hole wall of the first positioning hole, and the second positioning structure is embedded in the second positioning hole so that a plurality of the second positioning points abut against the hole wall of the second positioning hole.

[0005] Beneficial effect: By setting the first positioning structure and the second positioning structure, and setting the second positioning structure at an angle with the first positioning structure, the bottom plate and the circuit board are limited in multiple directions and multiple points on both sides, preventing the circuit board from moving and preventing positioning deviation.

[0006] In an optional embodiment, the first positioning structure includes a plurality of first positioning plates, one side of the first positioning plates is connected to the base plate, the other side of the first positioning plates extends away from the base plate, and the first positioning points are arranged on opposite sides of the first positioning structure.

[0007] Beneficial effect: By setting a plurality of first positioning plates, the line positioning between the base plate and the circuit board is achieved, and the positioning accuracy is further improved.

[0008] In an optional embodiment, the first positioning plate is integrally formed with the base plate, and a portion of the base plate is bent to form the first positioning plate; or, the first positioning plate is separately provided with the base plate, and the first positioning plate is installed on the base plate.

[0009] In an optional embodiment, the second positioning structure includes a plurality of second positioning plates, one side of the second positioning plates is connected to the base plate, the other side of the second positioning plates extends away from the base plate, and the second positioning points are arranged corresponding to opposite sides of the second positioning structure.

[0010] Beneficial effect: By setting up a plurality of second positioning plates, the line positioning between the base plate and the circuit board can be achieved, and the positioning accuracy can be further improved.

[0011] In an optional embodiment, the second positioning plate is integrally formed with the base plate, and a portion of the base plate is bent to form the second positioning plate; or, the second positioning plate is separated from the base plate, and the second positioning plate is installed on the base plate.

[0012] In an optional embodiment, the keyboard assembly further includes a third positioning structure, wherein the third positioning structure is disposed on the base plate and protrudes toward the direction of the circuit board, the circuit board is provided with a third positioning hole, and the third positioning structure is embedded in the third positioning hole.

[0013] Beneficial effect: By setting the third positioning structure, the positioning accuracy of the base plate and the circuit board is further improved.

[0014] In an optional embodiment, the third positioning structure is provided with a through hole, and the keyboard assembly further includes a fastener, the fastener abuts against the bottom plate and is disposed through the through hole.

[0015] In an optional embodiment, a plurality of the third positioning structures and a plurality of the third positioning holes are provided, and a plurality of the third positioning structures are provided correspondingly to a plurality of the third positioning holes.

[0016] Beneficial effect: By providing a plurality of third positioning structures and third positioning holes, the positioning accuracy of the base plate and the circuit board is further improved.

[0017] In an optional embodiment, the keyboard assembly further includes a communication flexible board, which is arranged on the circuit board, and the communication flexible board is suitable for connecting to the main board; and / or the keyboard assembly further includes a connecting terminal, which is arranged on the circuit board, and the connecting terminal is suitable for connecting to a connector; and / or the keyboard assembly further includes a contact and a keycap, the contact is arranged on a side of the circuit board away from the base plate, the keycap is arranged corresponding to the contact, and the keycap is arranged on a side of the contact away from the base plate.

[0018] In a second aspect, the utility model further provides a mobile device, comprising the above-mentioned keyboard assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the exploded structure of the keyboard assembly of an embodiment of the utility model;

[0021] Figure 2 This is a schematic diagram of the overall structure of the keyboard assembly of an embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the bottom plate of an embodiment of the utility model;

[0023] Figure 4 for Figure 3 The enlarged schematic diagram at A in the middle;

[0024] Figure 5 for Figure 3 The enlarged schematic diagram of point B in the middle;

[0025] Figure 6 A schematic diagram of the structure of a circuit board according to an embodiment of the utility model;

[0026] Figure 7 The figure is a schematic diagram of the structure of the key cap according to the embodiment of the utility model.

[0027] Description of reference numerals:

[0028] 10. Base plate; 20. First positioning structure; 21. First positioning plate; 30. Second positioning structure; 31. Second positioning plate; 40. Circuit board; 41. First positioning hole; 42. Second positioning hole; 43. Third positioning hole; 50. Third positioning structure; 51. Through hole; 60. Communication flexible board; 70. Connecting terminal; 80. Key cap. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0030] Combine the following Figures 1 to 7 , describing an embodiment of the utility model.

[0031] According to an embodiment of the utility model, on the one hand, a keyboard assembly is provided, including: a bottom plate 10, a first positioning structure 20, a second positioning structure 30 and a circuit board 40. The first positioning structure 20 is connected to the bottom plate 10, and a plurality of first positioning points are respectively arranged on opposite sides of the first positioning structure 20; the second positioning structure 30 is connected to the bottom plate 10, and the second positioning structure 30 is arranged at an angle with the first positioning structure 20, and a plurality of second positioning points are respectively arranged on opposite sides of the second positioning structure 30; the circuit board 40 is connected to the bottom plate 10, and a first positioning hole 41 and a second positioning hole 42 are opened in the circuit board 40, the first positioning structure 20 is embedded in the first positioning hole 41 so that a plurality of first positioning points abut against the hole wall of the first positioning hole 41, and the second positioning structure 30 is embedded in the second positioning hole 42 so that a plurality of second positioning points abut against the hole wall of the second positioning hole 42.

[0032] The keyboard assembly of this embodiment is applied, by setting a first positioning structure 20 and a second positioning structure 30, and the second positioning structure is set at an angle with the first positioning structure 20, so as to achieve positioning limitation of the base plate 10 and the circuit board 40 in multiple directions and multiple points on both sides, prevent the circuit board 40 from moving, and prevent positioning deviation.

[0033] It should be noted that, in this embodiment, the first positioning structure 20 and the second positioning structure 30 have the same structure.

[0034] It should be noted that, in the present embodiment, the first positioning hole 41 and the second positioning hole 42 are both elongated holes, and the first positioning structure 20 and the second positioning structure 30 are both in contact with the long sides of the elongated holes.

[0035] For details, please refer to Figure 1 One first positioning structure 20 is provided, and two second positioning structures 30 are provided.

[0036] Of course, in other alternative embodiments, the number of the first positioning structures 20 and the second positioning structures 30 can also be selected according to actual conditions.

[0037] For details, please refer to Figure 1 In this embodiment, the included angle between the first positioning structure 20 and the second positioning structure 30 is 90°.

[0038] Of course, in other alternative embodiments, the included angle between the first positioning structure 20 and the second positioning structure 30 may also be other angles.

[0039] In one embodiment, Figure 4 As shown, the first positioning structure 20 includes a plurality of first positioning plates 21 , one side of the first positioning plate 21 is connected to the base plate 10 , and the other side of the first positioning plate 21 extends in a direction away from the base plate 10 . The first positioning points are arranged on opposite sides of the first positioning structure 20 .

[0040] Specifically, in this embodiment, in each first positioning structure 20 , two first positioning plates 21 are provided.

[0041] Of course, in other alternative embodiments, the first positioning plates 21 may also be provided in other numbers, such as three, four, etc.

[0042] Please note that Figure 4 The opposite sides of the first positioning structure 20 are the left and right sides of the first positioning structure 20 in the illustrated structure, and the two sides of the first positioning plate 21 are the two sides of the first positioning plate 21 in the illustrated structure that are parallel to the bottom plate 10 .

[0043] It is worth noting that by providing a plurality of first positioning plates 21 , the line positioning between the base plate 10 and the circuit board 40 is achieved, and the positioning accuracy is further improved.

[0044] In one embodiment, the first positioning plate 21 and the bottom plate 10 are integrally formed, and a portion of the bottom plate 10 is bent to form the first positioning plate 21 .

[0045] Specifically, a portion of the bottom plate 10 is bent to form the first positioning plate 21 , and the first hole is formed at the original position of the first positioning plate 21 .

[0046] Of course, in other alternative embodiments, the first positioning plate 21 and the base plate 10 may be separately provided, and the first positioning plate 21 is installed on the base plate 10 .

[0047] Specifically, the first positioning plate 21 and the bottom plate 10 may be connected by welding, or by other means, such as plugging or snapping.

[0048] In one embodiment, Figure 5 As shown, the second positioning structure 30 includes a plurality of second positioning plates 31 , one side of the second positioning plate 31 is connected to the base plate 10 , and the other side of the second positioning plate 31 extends in a direction away from the base plate 10 . The second positioning points are arranged corresponding to the opposite sides of the second positioning structure 30 .

[0049] Specifically, in this embodiment, in each second positioning structure 30 , two second positioning plates 31 are provided.

[0050] Of course, in other alternative embodiments, the second positioning plates 31 may also be provided in other numbers, such as three, four, etc.

[0051] Specifically, the second positioning plate 31 is disposed perpendicular to the first positioning plate 21 .

[0052] Please note that Figure 5 The opposite sides of the second positioning structure 30 are the upper and lower sides of the second positioning structure 30 in the illustrated structure, and the two sides of the second positioning plate 31 are the two sides of the second positioning plate 31 in the illustrated structure that are parallel to the bottom plate 10 .

[0053] It is worth noting that by providing a plurality of second positioning plates 31 , the line positioning between the base plate 10 and the circuit board 40 is achieved, and the positioning accuracy is further improved.

[0054] In one embodiment, the second positioning plate 31 is integrally formed with the bottom plate 10 , and a portion of the bottom plate 10 is bent to form the second positioning plate 31 .

[0055] Specifically, a portion of the bottom plate 10 is bent to form the second positioning plate 31 , and the second hole is formed at the original position of the second positioning plate 31 .

[0056] Of course, in other alternative embodiments, the second positioning plate 31 and the base plate 10 may be separately provided, and the second positioning plate 31 is installed on the base plate 10 .

[0057] Specifically, the second positioning plate 31 and the bottom plate 10 may be connected by welding, or by other means, such as plugging or snapping.

[0058] In one embodiment, Figure 1 , Figure 3 and Figure 4As shown, the keyboard assembly also includes a third positioning structure 50 , which is disposed on the base plate 10 and protrudes toward the circuit board 40 . The circuit board 40 is provided with a third positioning hole 43 , and the third positioning structure 50 is embedded in the third positioning hole 43 .

[0059] For details, please refer to Figure 4 The third positioning structure 50 is a truncated cone, and the third positioning hole 43 is a circular hole.

[0060] It is worth noting that, by providing the third positioning structure 50 , the positioning accuracy of the base plate 10 and the circuit board 40 is further improved.

[0061] In one embodiment, Figure 4 As shown, the third positioning structure 50 is provided with a through hole 51 , and the keyboard assembly further includes a fastener, which abuts against the bottom plate 10 and is disposed through the through hole 51 .

[0062] In one embodiment, Figure 1 and Figure 3 As shown, a plurality of third positioning structures 50 and a plurality of third positioning holes 43 are provided, and a plurality of third positioning structures 50 are provided correspondingly to a plurality of third positioning holes 43 .

[0063] It is worth noting that, by providing a plurality of third positioning structures 50 and third positioning holes 43 , the positioning accuracy of the base plate 10 and the circuit board 40 is further improved.

[0064] In one embodiment, Figure 1 , Figure 2 and Figure 6 As shown, the keyboard assembly further includes a communication flexible board 60, which is disposed on the circuit board 40, and the communication flexible board 60 is suitable for connecting to the main board.

[0065] In one embodiment, Figure 1 , Figure 2 and Figure 6 As shown, the keyboard assembly further includes a connection terminal 70, which is disposed on the circuit board 40 and is suitable for connecting to a connector.

[0066] In one embodiment, Figure 1 and Figure 7 As shown, the keyboard assembly also includes contacts and keycaps 80 . The contacts are arranged on a side of the circuit board 40 away from the base plate 10 . The keycaps 80 are arranged corresponding to the contacts. The keycaps 80 are arranged on a side of the contacts away from the base plate 10 .

[0067] According to an embodiment of the present invention, on the other hand, a mobile device is provided, comprising the above-mentioned keyboard assembly.

[0068] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A keyboard assembly, characterized in that: include: Bottom plate (10); A first positioning structure (20) connected to the bottom plate (10), wherein two opposite sides of the first positioning structure (20) are respectively provided with a plurality of first positioning points; A second positioning structure (30) connected to the bottom plate (10), the second positioning structure (30) being arranged at an angle with the first positioning structure (20), and a plurality of second positioning points being arranged on two opposite sides of the second positioning structure (30); A circuit board (40) is connected to the base plate (10); the circuit board (40) is provided with a first positioning hole (41) and a second positioning hole (42); the first positioning structure (20) is embedded in the first positioning hole (41) so that a plurality of the first positioning points abut against the hole wall of the first positioning hole (41); the second positioning structure (30) is embedded in the second positioning hole (42) so that a plurality of the second positioning points abut against the hole wall of the second positioning hole (42).

2. The keyboard assembly according to claim 1, characterized in that: The first positioning structure (20) comprises a plurality of first positioning plates (21), one side of the first positioning plate (21) is connected to the base plate (10), the other side of the first positioning plate (21) extends in a direction away from the base plate (10), and the first positioning points are arranged corresponding to the opposite sides of the first positioning structure (20).

3. The keyboard assembly according to claim 2, characterized in that: The first positioning plate (21) is integrally formed with the bottom plate (10), and a portion of the bottom plate (10) is bent to form the first positioning plate (21); or, The first positioning plate (21) is arranged separately from the bottom plate (10), and the first positioning plate (21) is installed on the bottom plate (10).

4. The keyboard assembly according to any one of claims 1 to 3, characterized in that: The second positioning structure (30) comprises a plurality of second positioning plates (31), one side of the second positioning plate (31) is connected to the base plate (10), the other side of the second positioning plate (31) extends in a direction away from the base plate (10), and the second positioning points are arranged corresponding to the opposite sides of the second positioning structure (30).

5. The keyboard assembly according to claim 4, characterized in that: The second positioning plate (31) is integrally formed with the bottom plate (10), and a portion of the bottom plate (10) is bent to form the second positioning plate (31); or, The second positioning plate (31) is arranged separately from the bottom plate (10), and the second positioning plate (31) is installed on the bottom plate (10).

6. The keyboard assembly according to any one of claims 1 to 3, characterized in that: The keyboard assembly further comprises a third positioning structure (50), wherein the third positioning structure (50) is arranged on the base plate (10) and protrudes toward the direction of the circuit board (40), the circuit board (40) is provided with a third positioning hole (43), and the third positioning structure (50) is embedded in the third positioning hole (43).

7. The keyboard assembly according to claim 6, characterized in that: The third positioning structure (50) is provided with a through hole (51), and the keyboard assembly further comprises a fastener, the fastener abuts against the bottom plate (10) and is arranged through the through hole (51).

8. The keyboard assembly according to claim 7, characterized in that: A plurality of the third positioning structures (50) and the third positioning holes (43) are provided, and a plurality of the third positioning structures (50) and a plurality of the third positioning holes (43) are provided correspondingly.

9. The keyboard assembly according to any one of claims 1 to 3, characterized in that: The keyboard assembly further comprises a communication flexible board (60), wherein the communication flexible board (60) is arranged on the circuit board (40), and the communication flexible board (60) is suitable for connecting to a main board; and / or, The keyboard assembly further comprises a connection terminal (70), wherein the connection terminal (70) is arranged on the circuit board (40), and the connection terminal (70) is suitable for connecting to a connector; and / or, The keyboard assembly further comprises a contact and a keycap (80), wherein the contact is arranged on a side of the circuit board (40) away from the base plate (10), and the keycap (80) is arranged corresponding to the contact, and the keycap (80) is arranged on a side of the contact away from the base plate (10).

10. A mobile device, characterized in that: A keyboard assembly comprising any one of claims 1 to 9.

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